Question

You visited a city hospital to see a sick Friend you were pained at the sight of the hospital ward that was ill maintained write a letter to your feeling feelings in about 120 words

Answer 1

Answer:

A student focused the image of a candle flame on a white screen using a convex lens.He noted down the position of the candle,screen and the lens as under, Position of candle=12.0 cm Position of convex lens=50.0 cm Position of screen=88.0 cm a)What is the focal length of the convex lens? b)Where will the image be formed if he shifts the candle towards the lens at a position of 31.0 cm? c) what will be the nature of the image formed if he further shift the candle towards the lens ?  d) draw a ray diagram to show the formation of the image in case 3 as said above .